Methyl 2-methyl-5-sulfamoylbenzoate CAS 90610-73-4
| CAS No. | 90610-73-4 |
| Molecular Formula | C9H11NO4S |
| Molecular Weight | 229.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-methyl-5-sulfamoylbenzoate (C9H11NO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl 2-methyl-5-sulfamoylbenzoate (CAS 90610-73-4), molecular formula C9H11NO4S and molecular weight 229.25 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Methyl 2-methyl-5-sulfamoylbenzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H11NO4S |
| Molecular Weight | 229.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- Methyl 2-Amino-5-(methylsulfonyl)benzoate (CAS 90610-65-4)
- Methyl 3-(methylsulfonamido)benzoate (CAS 32087-05-1)
- Methyl 2-(methylsulfonamido)benzoate (CAS 716-41-6)
- Methyl 3-methyl-4-sulfamoylbenzoate (CAS 882980-76-9)
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